*{
    padding: 0;
    margin: 0;
}
.bei{
    width: 100%;
    height: 25rem;
    background:blue;
    background-image:url('../img/1.webp');
    background-repeat: no-repeat; 
    background-position: center center;
  }
  
  .header {
    text-align: center;
  }
  
  .successMessage {
    font-size: 24px;
    font-weight: bold;
    color: green;
    margin: 10px 0;
  }